>> There is an issue with the Marvell Yukon nics on Asus boards that in most
>> cases can be easily resolved. This usually happens after a bios flash or
>> an extended power-down time. Try shutting down the system and then
>> turning off your PSU or unplugging the system from the wall for a couple
>> of minutes. This will cause a hard reset of the ethernet controllers and
>> will usually fix the problem. Good luck.
>>
>>
>> Ed
> Somewhere along the course of reboots, unplugging and plugging in the
> connectors, I was somehow able first make contact with other computers on
> the LAN, then finally on to the internet. Perhaps it was an electrical
> issue with the connectors on the mb solved by powering the nics on and off
> through the BIOS or physically by having the connectors remove any coating
> left on the wires in the connectors as part of the cleaning process I am
> not sure, but all seems to be working now. Crazy...
You may have powered them down or just cycled them off/on just right to get
them to reset. It was a problem that drove me so nuts I went out and bought
a 10/100 PCIe nic. I finally found the problem while reading some forum
somewhere......

. I recently updated my bios and the problem came back and
this time I knew what to do.
Ed